QUESTIONS ON THE HEART AND THE CIRCULATION OF THE BLOOD.
Of what shape is your heart?—"My heart is shaped like a cone."
Where is it placed?—"In the chest, pointing toward my left side."
What bone is it near?—"It is near my breastbone."
Of what use is the heart?—"It contains the blood and sends it to the different parts of the body."
How much blood is sent from the heart at each beat?—"About two ounces."
What is the blood?—"A liquid made from food and drink."
Of what color is the blood?—"Bright red, when pure; dark red, when impure."